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Finding the Fourth Proportional to 341,658.46, 512,536.70 and 105,021.01

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Solution

The fourth proportional to 341,658.46, 512,536.70 and 105,021.01 is: 157,546.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,658.46 : 512,536.70 = 105,021.01 : x
  2. Step 2: Convert to fraction form
    341,658.46/512,536.70 = 105,021.01/x
  3. Step 3: Cross multiply
    341,658.46x = 512,536.70 × 105,021.01
  4. Step 4: Simplify right side
    341,658.46x = 53,827,121,896.07
  5. Step 5: Solve for x
    x = 53,827,121,896.07/341,658.46
  6. Step 6: Final answer
    x = 157,546.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.